Atomic radius generally increases as we move .
A) down a group; the period position has no effect
B) up a group and from right to left across a period
C) up a group and from left to right across a period
D) down a group and from right to left across a period
E) down a group and from left to right across a period

Question

Quizplus · Accepted Answer

Atomic radius increases down a group due to the addition of electron shells, and from right to left across a period as the effective nuclear charge decreases.

Atomic Radius Generally Increases as We Move